Host:Douglas-fir beetle (Dendroctonus pseudotsugae
Hopkins, 1905)Descriptor: Adult(s)Description: Coeloides vancouverensis (Dalla Torre) ovipositing through Douglas-fir bark onto Douglas-fir beetle larvae. This photo shows that in the laboratory rearing program the thickness of the bark had been routinely shaved to a thickness less than the ovipositor length to allow easy access to the host. In the field, thick bark provides sanctuary except in crevices and tree tops.Image type: Laboratory Subject Gender: Female Image location: US Forest Service Research Laboratory, Jefferson Way, Corvallis, Oregon, United States

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